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昨日纯碱主力合约2305震荡下行，收于2808元/吨，下跌51元/吨，跌幅1.78%。据昨日隆众资讯数据，本周纯碱产量 60.20 万吨，环比减少3.42%，纯碱库存 27.95 万吨，环比+2

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中国消费者报北京讯记者孙燕明） 8月25日是第七个全国残疾预防日。为加强残疾预防宣传教育，增强全社会残疾预防意识，提升残疾预防和康复服务水平，中国残疾人联合会、国家卫生健康委等17个部门联合开展第七个

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在化学分析与实验室校准的广阔天地里，硫酸亚铁铵滴定溶液作为一种重要的标准物质，其准确性和稳定性直接关系到实验结果的可靠性。基于多年在化学分析领域的实践经验和深刻理解，我深知硫酸亚铁铵滴定溶液在实验室滴

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